Src1
United States Department of Agriculture.(2018). Full Report (All Nutrients): 45215112, BLACK WALNUTS, UPC: 074936020210. Retrieved from https://ndb.nal.usda.gov/ndb/foods/show/45215112?fgcd=&manu=&format=&count=&max=25&offset=&sort=default&order=asc&qlookup=black+walnut&ds=&qt=&qp=&qa=&qn=&q=&ing=